#include<ros/ros.h>

int main(int argc, char *argv[])
{
    
    ros::init(argc,argv,"lala");

    ros::NodeHandle nh;

    nh.setParam("background_r",0);

    nh.setParam("background_g",0);

    nh.setParam("background_b",0);


    
    return 0;
}
